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From: Matt Turner <mattst88@gmail.com>
Date: Sun, 23 Jun 2013 10:50:42 -0700
Message-ID: <CAEdQ38HLzNoRABCUR7tEoBLJWn86xSd2VfSHxs0MPj5r5GvTXQ@mail.gmail.com>
Subject: Re: [PATCH 31/45] alpha/smp: Use get/put_online_cpus_atomic() to
 prevent CPU offline
To: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
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On Sun, Jun 23, 2013 at 6:45 AM, Srivatsa S. Bhat
<srivatsa.bhat@linux.vnet.ibm.com> wrote:
> Once stop_machine() is gone from the CPU offline path, we won't be able
> to depend on disabling preemption to prevent CPUs from going offline
> from under us.
>
> Use the get/put_online_cpus_atomic() APIs to prevent CPUs from going
> offline, while invoking from atomic context.
>
> Also, remove the non-ASCII character present in this file!

It's not non-ASCII. It's a page break.